(...) After the municipal reform the new arms were granted on August 31, 1973. (...) In the new arms the first quarter is (...) derived from (...) the arms of the counts of Baden. (...) The second quarter is derived from the arms of the Prince-Bishops of Speyer, and is derived from the arms of Bruchsal. (...) The third quarter shows the arms of the Wittelsbach family (...), longtime [Elector-]Princes (Kurfürsten) of the Palatinate. The fourth quarter shows the arms of the Duchy of Württemberg. The order of the quarters was determined from the number of municipalities that used to belong to the four different areas.
The coat of arms was adopted on 31 August 1973.